* result = s - h * d
*
* EP version of the function can be implemented as y[i]=sqrt(a[i]^2+b[i]^2)
- * with all intermediate operations done in target precision for i=1,..,n.
+ * with all intermediate operations done in target precision for i=1, .., n.
* It can return result y[i]=0 in case a[i]^2 and b[i]^2 underflow in target
* precision (for some i). It can return result y[i]=NAN in case
* a[i]^2+b[i]^2 overflow in target precision, for some i. It can return
/* Offsets for data table __svml_shypot_data_internal
*/
-#define _sHiLoMask 0
-#define _sAbsMask 32
-#define _sHalf 64
-#define _LowBoundary 96
-#define _HighBoundary 128
+#define _sHiLoMask 0
+#define _sAbsMask 32
+#define _sHalf 64
+#define _LowBoundary 96
+#define _HighBoundary 128
#include <sysdep.h>
- .text
- .section .text.avx2,"ax",@progbits
+ .section .text.avx2, "ax", @progbits
ENTRY(_ZGVdN8vv_hypotf_avx2)
- pushq %rbp
- cfi_def_cfa_offset(16)
- movq %rsp, %rbp
- cfi_def_cfa(6, 16)
- cfi_offset(6, -16)
- andq $-32, %rsp
- subq $128, %rsp
-
-/*
- * Implementation
- * Multiprecision branch for _HA_ only
- * No multiprecision branch for _LA_
- * _z = _VARG1 * _VARG1 + _VARG2 * _VARG2
- */
- vmulps %ymm0, %ymm0, %ymm8
-
-/*
- * Variables
- * Defines
- * Constants loading
- */
- vmovups _sHalf+__svml_shypot_data_internal(%rip), %ymm7
-
-/* Check _z exponent to be withing borders [1E3 ; 60A] else goto Callout */
- vmovups _LowBoundary+__svml_shypot_data_internal(%rip), %ymm2
- vfmadd231ps %ymm1, %ymm1, %ymm8
-
-/* _s0 ~ 1.0/sqrt(_z) */
- vrsqrtps %ymm8, %ymm6
- vpcmpgtd %ymm8, %ymm2, %ymm3
-
-/* First iteration */
- vmulps %ymm8, %ymm6, %ymm9
- vmulps %ymm7, %ymm6, %ymm2
- vfnmadd231ps %ymm9, %ymm2, %ymm7
- vfmadd213ps %ymm9, %ymm7, %ymm9
-
-/* Second iteration */
- vfmadd132ps %ymm7, %ymm2, %ymm2
- vpcmpgtd _HighBoundary+__svml_shypot_data_internal(%rip), %ymm8, %ymm4
- vpor %ymm4, %ymm3, %ymm5
-
-/* Finish second iteration in native precision for _LA_ */
- vfmsub231ps %ymm9, %ymm9, %ymm8
- vmovmskps %ymm5, %edx
- vfnmadd213ps %ymm9, %ymm8, %ymm2
-
-/* The end of implementation */
- testl %edx, %edx
-
-/* Go to special inputs processing branch */
- jne L(SPECIAL_VALUES_BRANCH)
- # LOE rbx r12 r13 r14 r15 edx ymm0 ymm1 ymm2
-
-/* Restore registers
- * and exit the function
- */
+ pushq %rbp
+ cfi_def_cfa_offset(16)
+ movq %rsp, %rbp
+ cfi_def_cfa(6, 16)
+ cfi_offset(6, -16)
+ andq $-32, %rsp
+ subq $128, %rsp
+
+ /*
+ * Implementation
+ * Multiprecision branch for _HA_ only
+ * No multiprecision branch for _LA_
+ * _z = _VARG1 * _VARG1 + _VARG2 * _VARG2
+ */
+ vmulps %ymm0, %ymm0, %ymm8
+
+ /*
+ * Variables
+ * Defines
+ * Constants loading
+ */
+ vmovups _sHalf+__svml_shypot_data_internal(%rip), %ymm7
+
+ /* Check _z exponent to be withing borders [1E3 ; 60A] else goto Callout */
+ vmovups _LowBoundary+__svml_shypot_data_internal(%rip), %ymm2
+ vfmadd231ps %ymm1, %ymm1, %ymm8
+
+ /* _s0 ~ 1.0/sqrt(_z) */
+ vrsqrtps %ymm8, %ymm6
+ vpcmpgtd %ymm8, %ymm2, %ymm3
+
+ /* First iteration */
+ vmulps %ymm8, %ymm6, %ymm9
+ vmulps %ymm7, %ymm6, %ymm2
+ vfnmadd231ps %ymm9, %ymm2, %ymm7
+ vfmadd213ps %ymm9, %ymm7, %ymm9
+
+ /* Second iteration */
+ vfmadd132ps %ymm7, %ymm2, %ymm2
+ vpcmpgtd _HighBoundary+__svml_shypot_data_internal(%rip), %ymm8, %ymm4
+ vpor %ymm4, %ymm3, %ymm5
+
+ /* Finish second iteration in native precision for _LA_ */
+ vfmsub231ps %ymm9, %ymm9, %ymm8
+ vmovmskps %ymm5, %edx
+ vfnmadd213ps %ymm9, %ymm8, %ymm2
+
+ /* The end of implementation */
+ testl %edx, %edx
+
+ /* Go to special inputs processing branch */
+ jne L(SPECIAL_VALUES_BRANCH)
+ # LOE rbx r12 r13 r14 r15 edx ymm0 ymm1 ymm2
+
+ /* Restore registers
+ * and exit the function
+ */
L(EXIT):
- vmovaps %ymm2, %ymm0
- movq %rbp, %rsp
- popq %rbp
- cfi_def_cfa(7, 8)
- cfi_restore(6)
- ret
- cfi_def_cfa(6, 16)
- cfi_offset(6, -16)
-
-/* Branch to process
- * special inputs
- */
+ vmovaps %ymm2, %ymm0
+ movq %rbp, %rsp
+ popq %rbp
+ cfi_def_cfa(7, 8)
+ cfi_restore(6)
+ ret
+ cfi_def_cfa(6, 16)
+ cfi_offset(6, -16)
+
+ /* Branch to process
+ * special inputs
+ */
L(SPECIAL_VALUES_BRANCH):
- vmovups %ymm0, 32(%rsp)
- vmovups %ymm1, 64(%rsp)
- vmovups %ymm2, 96(%rsp)
- # LOE rbx r12 r13 r14 r15 edx ymm2
-
- xorl %eax, %eax
- # LOE rbx r12 r13 r14 r15 eax edx
-
- vzeroupper
- movq %r12, 16(%rsp)
- /* DW_CFA_expression: r12 (r12) (DW_OP_lit8; DW_OP_minus; DW_OP_const4s: -32; DW_OP_and; DW_OP_const4s: -112; DW_OP_plus) */
- .cfi_escape 0x10, 0x0c, 0x0e, 0x38, 0x1c, 0x0d, 0xe0, 0xff, 0xff, 0xff, 0x1a, 0x0d, 0x90, 0xff, 0xff, 0xff, 0x22
- movl %eax, %r12d
- movq %r13, 8(%rsp)
- /* DW_CFA_expression: r13 (r13) (DW_OP_lit8; DW_OP_minus; DW_OP_const4s: -32; DW_OP_and; DW_OP_const4s: -120; DW_OP_plus) */
- .cfi_escape 0x10, 0x0d, 0x0e, 0x38, 0x1c, 0x0d, 0xe0, 0xff, 0xff, 0xff, 0x1a, 0x0d, 0x88, 0xff, 0xff, 0xff, 0x22
- movl %edx, %r13d
- movq %r14, (%rsp)
- /* DW_CFA_expression: r14 (r14) (DW_OP_lit8; DW_OP_minus; DW_OP_const4s: -32; DW_OP_and; DW_OP_const4s: -128; DW_OP_plus) */
- .cfi_escape 0x10, 0x0e, 0x0e, 0x38, 0x1c, 0x0d, 0xe0, 0xff, 0xff, 0xff, 0x1a, 0x0d, 0x80, 0xff, 0xff, 0xff, 0x22
- # LOE rbx r15 r12d r13d
-
-/* Range mask
- * bits check
- */
+ vmovups %ymm0, 32(%rsp)
+ vmovups %ymm1, 64(%rsp)
+ vmovups %ymm2, 96(%rsp)
+ # LOE rbx r12 r13 r14 r15 edx ymm2
+
+ xorl %eax, %eax
+ # LOE rbx r12 r13 r14 r15 eax edx
+
+ vzeroupper
+ movq %r12, 16(%rsp)
+ /* DW_CFA_expression: r12 (r12) (DW_OP_lit8; DW_OP_minus; DW_OP_const4s: -32; DW_OP_and; DW_OP_const4s: -112; DW_OP_plus) */
+ .cfi_escape 0x10, 0x0c, 0x0e, 0x38, 0x1c, 0x0d, 0xe0, 0xff, 0xff, 0xff, 0x1a, 0x0d, 0x90, 0xff, 0xff, 0xff, 0x22
+ movl %eax, %r12d
+ movq %r13, 8(%rsp)
+ /* DW_CFA_expression: r13 (r13) (DW_OP_lit8; DW_OP_minus; DW_OP_const4s: -32; DW_OP_and; DW_OP_const4s: -120; DW_OP_plus) */
+ .cfi_escape 0x10, 0x0d, 0x0e, 0x38, 0x1c, 0x0d, 0xe0, 0xff, 0xff, 0xff, 0x1a, 0x0d, 0x88, 0xff, 0xff, 0xff, 0x22
+ movl %edx, %r13d
+ movq %r14, (%rsp)
+ /* DW_CFA_expression: r14 (r14) (DW_OP_lit8; DW_OP_minus; DW_OP_const4s: -32; DW_OP_and; DW_OP_const4s: -128; DW_OP_plus) */
+ .cfi_escape 0x10, 0x0e, 0x0e, 0x38, 0x1c, 0x0d, 0xe0, 0xff, 0xff, 0xff, 0x1a, 0x0d, 0x80, 0xff, 0xff, 0xff, 0x22
+ # LOE rbx r15 r12d r13d
+
+ /* Range mask
+ * bits check
+ */
L(RANGEMASK_CHECK):
- btl %r12d, %r13d
+ btl %r12d, %r13d
-/* Call scalar math function */
- jc L(SCALAR_MATH_CALL)
- # LOE rbx r15 r12d r13d
+ /* Call scalar math function */
+ jc L(SCALAR_MATH_CALL)
+ # LOE rbx r15 r12d r13d
-/* Special inputs
- * processing loop
- */
+ /* Special inputs
+ * processing loop
+ */
L(SPECIAL_VALUES_LOOP):
- incl %r12d
- cmpl $8, %r12d
-
-/* Check bits in range mask */
- jl L(RANGEMASK_CHECK)
- # LOE rbx r15 r12d r13d
-
- movq 16(%rsp), %r12
- cfi_restore(12)
- movq 8(%rsp), %r13
- cfi_restore(13)
- movq (%rsp), %r14
- cfi_restore(14)
- vmovups 96(%rsp), %ymm2
-
-/* Go to exit */
- jmp L(EXIT)
- /* DW_CFA_expression: r12 (r12) (DW_OP_lit8; DW_OP_minus; DW_OP_const4s: -32; DW_OP_and; DW_OP_const4s: -112; DW_OP_plus) */
- .cfi_escape 0x10, 0x0c, 0x0e, 0x38, 0x1c, 0x0d, 0xe0, 0xff, 0xff, 0xff, 0x1a, 0x0d, 0x90, 0xff, 0xff, 0xff, 0x22
- /* DW_CFA_expression: r13 (r13) (DW_OP_lit8; DW_OP_minus; DW_OP_const4s: -32; DW_OP_and; DW_OP_const4s: -120; DW_OP_plus) */
- .cfi_escape 0x10, 0x0d, 0x0e, 0x38, 0x1c, 0x0d, 0xe0, 0xff, 0xff, 0xff, 0x1a, 0x0d, 0x88, 0xff, 0xff, 0xff, 0x22
- /* DW_CFA_expression: r14 (r14) (DW_OP_lit8; DW_OP_minus; DW_OP_const4s: -32; DW_OP_and; DW_OP_const4s: -128; DW_OP_plus) */
- .cfi_escape 0x10, 0x0e, 0x0e, 0x38, 0x1c, 0x0d, 0xe0, 0xff, 0xff, 0xff, 0x1a, 0x0d, 0x80, 0xff, 0xff, 0xff, 0x22
- # LOE rbx r12 r13 r14 r15 ymm2
-
-/* Scalar math fucntion call
- * to process special input
- */
+ incl %r12d
+ cmpl $8, %r12d
+
+ /* Check bits in range mask */
+ jl L(RANGEMASK_CHECK)
+ # LOE rbx r15 r12d r13d
+
+ movq 16(%rsp), %r12
+ cfi_restore(12)
+ movq 8(%rsp), %r13
+ cfi_restore(13)
+ movq (%rsp), %r14
+ cfi_restore(14)
+ vmovups 96(%rsp), %ymm2
+
+ /* Go to exit */
+ jmp L(EXIT)
+ /* DW_CFA_expression: r12 (r12) (DW_OP_lit8; DW_OP_minus; DW_OP_const4s: -32; DW_OP_and; DW_OP_const4s: -112; DW_OP_plus) */
+ .cfi_escape 0x10, 0x0c, 0x0e, 0x38, 0x1c, 0x0d, 0xe0, 0xff, 0xff, 0xff, 0x1a, 0x0d, 0x90, 0xff, 0xff, 0xff, 0x22
+ /* DW_CFA_expression: r13 (r13) (DW_OP_lit8; DW_OP_minus; DW_OP_const4s: -32; DW_OP_and; DW_OP_const4s: -120; DW_OP_plus) */
+ .cfi_escape 0x10, 0x0d, 0x0e, 0x38, 0x1c, 0x0d, 0xe0, 0xff, 0xff, 0xff, 0x1a, 0x0d, 0x88, 0xff, 0xff, 0xff, 0x22
+ /* DW_CFA_expression: r14 (r14) (DW_OP_lit8; DW_OP_minus; DW_OP_const4s: -32; DW_OP_and; DW_OP_const4s: -128; DW_OP_plus) */
+ .cfi_escape 0x10, 0x0e, 0x0e, 0x38, 0x1c, 0x0d, 0xe0, 0xff, 0xff, 0xff, 0x1a, 0x0d, 0x80, 0xff, 0xff, 0xff, 0x22
+ # LOE rbx r12 r13 r14 r15 ymm2
+
+ /* Scalar math fucntion call
+ * to process special input
+ */
L(SCALAR_MATH_CALL):
- movl %r12d, %r14d
- movss 32(%rsp,%r14,4), %xmm0
- movss 64(%rsp,%r14,4), %xmm1
- call hypotf@PLT
- # LOE rbx r14 r15 r12d r13d xmm0
+ movl %r12d, %r14d
+ movss 32(%rsp, %r14, 4), %xmm0
+ movss 64(%rsp, %r14, 4), %xmm1
+ call hypotf@PLT
+ # LOE rbx r14 r15 r12d r13d xmm0
- movss %xmm0, 96(%rsp,%r14,4)
+ movss %xmm0, 96(%rsp, %r14, 4)
-/* Process special inputs in loop */
- jmp L(SPECIAL_VALUES_LOOP)
- # LOE rbx r15 r12d r13d
+ /* Process special inputs in loop */
+ jmp L(SPECIAL_VALUES_LOOP)
+ # LOE rbx r15 r12d r13d
END(_ZGVdN8vv_hypotf_avx2)
- .section .rodata, "a"
- .align 32
+ .section .rodata, "a"
+ .align 32
#ifdef __svml_shypot_data_internal_typedef
typedef unsigned int VUINT32;
-typedef struct
-{
- __declspec(align(32)) VUINT32 _sHiLoMask[8][1];
- __declspec(align(32)) VUINT32 _sAbsMask[8][1];
- __declspec(align(32)) VUINT32 _sHalf[8][1];
- __declspec(align(32)) VUINT32 _LowBoundary[8][1];
- __declspec(align(32)) VUINT32 _HighBoundary[8][1];
+typedef struct {
+ __declspec(align(32)) VUINT32 _sHiLoMask[8][1];
+ __declspec(align(32)) VUINT32 _sAbsMask[8][1];
+ __declspec(align(32)) VUINT32 _sHalf[8][1];
+ __declspec(align(32)) VUINT32 _LowBoundary[8][1];
+ __declspec(align(32)) VUINT32 _HighBoundary[8][1];
} __svml_shypot_data_internal;
#endif
__svml_shypot_data_internal:
- /* legacy algorithm */
- .long 0xFFF80000, 0xFFF80000, 0xFFF80000, 0xFFF80000, 0xFFF80000, 0xFFF80000, 0xFFF80000, 0xFFF80000 /* _sHiLoMask */
- .align 32
- .long 0x7fffffff, 0x7fffffff, 0x7fffffff, 0x7fffffff, 0x7fffffff, 0x7fffffff, 0x7fffffff, 0x7fffffff /* _sAbsMask */
- .align 32
- .long 0x3f000000, 0x3f000000, 0x3f000000, 0x3f000000, 0x3f000000, 0x3f000000, 0x3f000000, 0x3f000000 /* _sHalf */
- .align 32
- .long 0x1E300000, 0x1E300000, 0x1E300000, 0x1E300000, 0x1E300000, 0x1E300000, 0x1E300000, 0x1E300000 /* _LowBoundary */
- .align 32
- .long 0x60A00000, 0x60A00000, 0x60A00000, 0x60A00000, 0x60A00000, 0x60A00000, 0x60A00000, 0x60A00000 /* _HighBoundary */
- .align 32
- .type __svml_shypot_data_internal,@object
- .size __svml_shypot_data_internal,.-__svml_shypot_data_internal
+ /* legacy algorithm */
+ .long 0xFFF80000, 0xFFF80000, 0xFFF80000, 0xFFF80000, 0xFFF80000, 0xFFF80000, 0xFFF80000, 0xFFF80000 /* _sHiLoMask */
+ .align 32
+ .long 0x7fffffff, 0x7fffffff, 0x7fffffff, 0x7fffffff, 0x7fffffff, 0x7fffffff, 0x7fffffff, 0x7fffffff /* _sAbsMask */
+ .align 32
+ .long 0x3f000000, 0x3f000000, 0x3f000000, 0x3f000000, 0x3f000000, 0x3f000000, 0x3f000000, 0x3f000000 /* _sHalf */
+ .align 32
+ .long 0x1E300000, 0x1E300000, 0x1E300000, 0x1E300000, 0x1E300000, 0x1E300000, 0x1E300000, 0x1E300000 /* _LowBoundary */
+ .align 32
+ .long 0x60A00000, 0x60A00000, 0x60A00000, 0x60A00000, 0x60A00000, 0x60A00000, 0x60A00000, 0x60A00000 /* _HighBoundary */
+ .align 32
+ .type __svml_shypot_data_internal, @object
+ .size __svml_shypot_data_internal, .-__svml_shypot_data_internal
projects / thirdparty / glibc.git / commitdiff
